3D Antenna Arrays with Scattering Elements for Wireless Power
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Solution Overview
Problem
Wireless power transmission systems face challenges due to noise from antenna transmission lines, limited antenna density in small volumes, and inefficiencies in signal delivery and noise management, particularly with non-deterministic RF wave fronts and high dielectric materials being costly.
Innovation Solution
The system employs a transmitter with a three-dimensional arrangement of antennas and scattering elements, using phase shifting algorithms and randomized geometries to enhance signal diversity and reduce noise, allowing for efficient power and data delivery across multiple frequencies and polarizations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a large number of antennas are arranged in a small volume, then antenna density increases, but transmission lines create noise and block signals
Solution Approach 1:
The patent transitions from planar antenna arrangements to three-dimensional volumetric arrangements. Antennas are distributed throughout a 3D space rather than confined to a 2D plane, allowing signals to propagate through multiple spatial dimensions and reducing interference from transmission lines.
Solution Approach 2:
The patent embeds multiple antenna elements within a hierarchical structure where smaller antenna arrays are nested within larger volumetric configurations. This nested arrangement allows efficient space utilization while maintaining signal isolation through multiple spatial layers.
2Ease of operation
If transmission lines connect to antennas in a mesh arrangement, then connectivity is achieved, but signals are blocked and noise increases
Solution Approach 1:
The patent extracts the transmission line infrastructure from the antenna array configuration. Individual antennas are fed through separate pathways or integrated feeding networks that avoid creating dense mesh structures, thereby eliminating signal blockage and reducing noise from transmission line interactions.
Solution Approach 2:
The patent introduces intermediate feeding structures or distributed feeding networks that act as mediators between the power source and individual antennas. These intermediaries route signals through optimized pathways that prevent signal blockage and reduce electromagnetic interference.
3Stability of the object's composition
If antennas are arranged in fixed polarizations, then polarization diversity is maintained, but adaptability to non-deterministic RF wave fronts is limited
Solution Approach 1:
The patent implements dynamically reconfigurable antenna elements that can change their polarization states in real-time. This dynamic capability allows the antenna array to adapt to non-deterministic RF wave fronts with varying angles, directions, and polarizations, while maintaining stable communication links.
Solution Approach 2:
The patent employs adjustable electrical parameters of antenna elements, including impedance, phase, and polarization angle, to optimize performance for different incident wave conditions. By changing these parameters dynamically, the system maintains adaptability to varying RF environments.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach increases the number of antennas per volume, improves signal-to-noise ratio, and enhances power delivery efficiency by redistributing signal energy throughout the transmitter volume, overcoming limitations of conventional systems.
Implementation Method 1
The system employs a transmitter with a three-dimensional arrangement of antennas and scattering elements, using phase shifting algorithms to enhance signal diversity
Implementation Method 2
The system employs a transmitter with a three-dimensional arrangement of antennas and scattering elements, redistributing signal energy throughout the transmitter volume
Data Source
AI summary
Various techniques are described herein for efficiently transmitting and receiving wireless power and/or data signals. In one example, a transmitter includes multiple antennas, a dielectric material in proximity to the multiple antennas, and multiple scattering elements embedded in the dielectric material. One or more of the multiple scattering elements are configured to be excited by one or more signals emitted by the multiple antennas.